DE129066C - - Google Patents
Info
- Publication number
- DE129066C DE129066C DENDAT129066D DE129066DA DE129066C DE 129066 C DE129066 C DE 129066C DE NDAT129066 D DENDAT129066 D DE NDAT129066D DE 129066D A DE129066D A DE 129066DA DE 129066 C DE129066 C DE 129066C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- nose
- prevent
- timbering
- secure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004744 fabric Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/02—Lining shafts; Linings therefor with wood
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Rod-Shaped Construction Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE129066C true DE129066C (enExample) |
Family
ID=397554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT129066D Active DE129066C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE129066C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516256A (en) * | 1969-01-02 | 1970-06-23 | Japan Dev & Construction Co Lt | Method of forming vertical bores through the ground |
-
0
- DE DENDAT129066D patent/DE129066C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516256A (en) * | 1969-01-02 | 1970-06-23 | Japan Dev & Construction Co Lt | Method of forming vertical bores through the ground |
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